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Beam Deflection and Stress Formula and Calculators
Engineering Calculators
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Stress between nearest support point and outer end
Stress between the two supports
Stress at load center
Stress at supports
Deflection between support point and outer end
 
Deflection between supports
Deflection at the ends
Deflection at center
Where:
| E = |
Modulus of Elasticity |
psi |
(N/m2) |
| I = |
Moment of Inertia |
in4 |
(m4) |
| W = |
Load |
lbs |
(N) |
| s = |
Stress at the cross-section being evaluated |
Lbs/in2 |
(N/m2) |
| y = |
Deflection |
inches |
(m) |
| x = |
Some distance as indicated |
inches |
(m) |
| u = |
Some distance as indicated |
inches |
(m) |
| c = |
Some distance as indicated |
inches |
(m) |
| L = |
Some distance as indicated |
inches |
(m) |
| l = |
Some distance as indicated |
inches |
(m) |
| Z = |
section modulus of the cross-section of the beam |
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| Z = |
I ÷ distance from neutral axis to extreme fiber
(edge) |
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